Revenue Recognition - Principal Revenue Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Restaurant sales, franchise and other revenues	$ 1,008,337	$ 1,128,131
Restaurant sales [Member]
Disaggregation of Revenue [Line Items]
Restaurant sales, franchise and other revenues	996,237	1,111,642
Franchise and other revenues [Member]
Disaggregation of Revenue [Line Items]
Restaurant sales, franchise and other revenues	12,100	16,489
Franchise revenue [Member]
Disaggregation of Revenue [Line Items]
Restaurant sales, franchise and other revenues	9,549	13,762
Other revenue [Member]
Disaggregation of Revenue [Line Items]
Restaurant sales, franchise and other revenues	$ 2,551	$ 2,727

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration